求51单片机红外摇控接收c程序，并在数码管上显示键值出来？

Question

求51单片机摇控接收c程序，就是按一下摇控就能在二位数码管上显示出对应的码值。

Answer 1

#include<reg51.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long

#define Nop() {_nop_(); _nop_(); _nop_(); _nop_(); _nop_();}

volatile ulong IRcode=0x00000000; //32位的键代码
volatile ulong Irdcode=0x00000000;
volatile uint customcode=0x0000; //16位用户码
volatile uint time_us=0x0000; //两个下降沿之间的时间

volatile uchar timeH,timeL; //保存TH1 TL的值

uchar Lcustomcode; //低8用户码
uchar Hcustomcode; //高8
uchar datacode; //8位键数据码
uchar mycode;
uchar Rdatacode; //8位键数据反码
uchar uc1ms;
uchar uc10ms;
uchar uc3ms;

uchar ucDispTime;
uchar ucDispOrder;
uchar ucDispCon;
uchar ucSpeakerTime;
unsigned char code LedData[16] = { 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};
unsigned char code LedCon[2] = {0x8f,0x4f};
unsigned char ucDispData[2]; // 存放显示数据
sbit led1 = P3^7;
sbit led2 = P3^6;
sbit power=P1^0; //电源开关
sbit BEEP= P2^1;
bit NewIRcode=0; //指示当处理完了32位码后，就有了新的遥控码
bit DataRight=0; //为1时读取数据正确
bit bSampleOk;
bit bSampling;
bit b10msInt;
bit b1msInt;
bit bKeySound;
bit b1msMain;
bit IR_E; //表示有新的遥控键控下就更新扫描数据
bit b3msint;

void SendDataToDispDevice();
void Ir_process();
void display();
void beeping();

/****** 晶振为12 MHZ*******/
/**定时器1,12 MHZ最大定时为65.53ms***/
//------------------------------------------------------------------------------
void init()
{
IP=0x09; //定时器1，外部中断0优先级高
TMOD=0x11; //定时器0，工作方式1 ; 定时器1，工作方式1
TCON=0x01; //外中断0下降沿触发，（包括TR1=0，TR0=0）
TH0=0xff; //初始化定时器0,定时0.2ms
TL0=0x47;
TH1=0x00; //初始化定时器1
TL1=0x00;

EA=1; //开全中断
ET0=1; //开放T0中断
ET1=1; //开放T1中断
EX0=1; //开放INT0
TR1=0;
TR0=1;

}
//--------------------------------------
void TimeProg(void)
{
b1msMain = b1msInt;
b1msMain=0;
b10msInt = 0;

if(b1msInt == 1)
{
b1msMain=1;
if(++uc10ms == 10)
{
uc10ms = 0;
b10msInt = 1;
if(bKeySound==1)
{ beeping();
bKeySound=0;
}
}

}
}//void TimeProg(void)
//-------------------------------------interrupt0-------------------------------------
void IR_ISR() interrupt 0 using 1 //遥控器中断处理函数
{
static uchar cn;

TR1=0;
timeH=TH1;
timeL=TL1;
TH1=0;
TL1=0;
TR1=1; //开定时器中断1

time_us=(unsigned int)timeH;
time_us=time_us<<8;
time_us=time_us|timeL;

if(time_us>12200&&time_us<13000) {cn=1;IRcode=0;} //遇到引导码,就把cn清0，IRcode清0
//引导码的时间长度为9ms+4.5ms
if(cn<34)
{
if(time_us>950&&time_us<1120) //0
{
IRcode=IRcode|0x00000000;
if(cn<33) IRcode=IRcode>>1;
}

else if(time_us>1920&&time_us<2120) //1t > 1950 && t < 2150
{
IRcode=IRcode|0x80000000;
if(cn<33) IRcode=IRcode>>1;
}

//else if(time_us>10000&&time_us<11000) {Irdcode=IRcode;cn=34; } //遇到重复码
//cn用于记录接收到的数据位
}
cn++;
if(cn==34)
{ NewIRcode=1;
TR1=0;

Irdcode= IRcode; cn=0;
} //读完32位码，则有新码产生

}

//--------------------------------------timer_ISR------------------------------
void Timer0_ISR() interrupt 1 using 2 //定时器0中断函数
{
TR0=0;
TH0=0xff; //初始化定时器0,定时0.2ms 晶振为11.0592 MHZ
TL0=0x47;
TR0=1;
if(++uc1ms == 5)
{
uc1ms = 0;
b1msInt=1;
if(++uc3ms==8)
{
uc3ms=0;
b3msint=1;
SendDataToDispDevice(); //n* ms送一次显示
}

}
}//void Timer0IntProg() interrupt 1 using 1

void Timer1_ISR() interrupt 3 using 3 //定时器1中断函数
{
TR1=0;
TH1=0x00; //初始化定时器1
TL1=0x00;
TR1=1;

}
//--------------------SendDataToDispDevice----------
void SendDataToDispDevice()
{
unsigned char n;
//watchdog();
if(++ucDispOrder >= 2) ucDispOrder = 0; // 下一显示巡回

// 下面为发送控制数据 位控

if(ucDispOrder==0)
{led1=0;
led2=1;
Nop();
Nop();

}
if(b3msint==1)
{if(ucDispOrder==1)
{led2=0;
led1=1;
Nop();
Nop();
}
}
// 下面为发送显示数据
n = LedData[ucDispData[ucDispOrder]];
P0=n;

} //void SendDataToDispDevice()

//------------------------------------main()----------------------------------------------
void main()
{

init();
beeping();
while(1)
{
TimeProg();
Ir_process();
display();

}

}

void Ir_process()

{

if(NewIRcode==1) //如果有新的遥控码就读
{
NewIRcode=0; //读完之后清零，表示新码已读
customcode=(Irdcode>>16); //取红外码中的按码键
//取低8位用户码
Lcustomcode=customcode>>8;//取低8位按码键
datacode=(unsigned char)(customcode&0x00ff); //取高8位按码键

Rdatacode=Lcustomcode; //取低8位按码键的反码

if(~Rdatacode!=datacode)
{ DataRight=0;
Irdcode=0;
datacode=Rdatacode=0;
} //校验用户码，反码

else
{ DataRight=1;
IR_E=1;
mycode=datacode;}
if(DataRight==1) { bKeySound = 1;DataRight=0; }

}

}

void display()
{
/* unsigned char a[2];
a[0] = mycode & 0x0f;
mycode = mycode >> 4;
a[1] = mycode & 0x0f;
ET0 = 0;
ucDispData[0] = a[0];
ucDispData[1] = a[1];
ET0 = 1;*/
if(IR_E==1)
{
ET0 = 0;
ucDispData[0] = mycode & 0x0f;
mycode = mycode >> 4;
ucDispData[1] = mycode & 0x0f;
IR_E=0;
ET0 = 1;
}
}

/**********************************************************/
void delay(unsigned char x) //x*0.14MS
{
unsigned char a;
while(x--)
{
for (a = 0; a<13; a++) {;}
}
}

/**********************************************************/
void beeping()
{
unsigned char i;

for (i=0;i<100;i++)
{
delay(4);
BEEP=!BEEP; //BEEP取反
}
BEEP=1;
//关闭蜂鸣器
}

Answer 2

#include<reg52.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit lcden = P2^7;
sbit lcdrs = P2^6;
sbit lcdwr = P2^5;
sbit IR = P3^2;
uchar IRCOM[6];//数组，用于存储红外编码
uchar code table1[] = "remote control";
uchar code table2[] = "CODE:";
void delayms(uchar x)// 延时x*0.14ms
{
uchar i;
while(x--)
for(i=0;i<13;i++){}
}
void delay(uchar x) //延时xms
{
uchar i,j;
for(i=x;i>0;i--)
for(j=110;j>0;j--);
}
/****************************LCD部分***********************************************/
void write_com(uchar com)
{
lcden = 0;
lcdrs = 0;
lcdwr = 0;
P0 = com;
delay(5);
lcden = 1;
delay(5);
lcden = 0; //别忘了lcden拉低
}
void write_date(uchar date)
{
lcden = 0;
lcdrs = 1;
lcdwr = 0;
P0 = date;
delay(5);
lcden = 1;
delay(5);
lcden = 0;
}
void lcd_init(void)
{
lcden = 0;
lcdrs = 0;
lcdwr = 0;
delay(5);
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
}
/*****************main()************************/
void main(void)
{
uchar count=0;
IR = 1;
lcd_init();
write_com(0x80);
while(table1[count]!='\0')
{
write_date(table1[count]);
count++;
delay(5);
}
count = 0;
write_com(0x80+0x40);
while(table2[count]!='\0')
{
write_date(table2[count]);
count++;
delay(5);
}

IE = 0x81; //开中断
TCON = 0x01;//脉冲负边沿触发
while(1);

}
/*********************红外中断**************************/
void IR_time() interrupt 0
{
uchar i,j,TimeNum=0;//TimeNum用来计IR高电平次数 从而判断是0还是1
EX0 = 0; //关闭中断
delayms(5);
if(1 == IR)
{
EX0 = 1;
return;
}
while(!IR) //跳过9ms前导低电平
delayms(1);
for(i=0;i<4;i++)
{
for(j=0;j<8;j++)
{
while(IR) //跳过4.5ms的前导高电平
delayms(1);
while(!IR) //跳过0.56ms的低电平
delayms(1);

while(IR)
{
TimeNum++; //计时高电平时间从而判断读取的是0还是1
delayms(1);
}
if(TimeNum>=30)//按键按下时间过长 跳过
{
EX0 = 1;
return;
}
IRCOM[i] = IRCOM[i]>>1;
if(TimeNum >= 8) //8*0.14ms 这时读取的是1；
{
IRCOM[i] = IRCOM[i]|0x80;
}
TimeNum = 0;
}
}
if(IRCOM[2]!=~IRCOM[3])//判断八位数据和八位数据反码是否相等
{
EX0 = 1;
return;
}
IRCOM[4] = IRCOM[2]&0x0f;//取低四位
IRCOM[5] = IRCOM[2]>>4; //IRCOM[5]取IRCOM[2]高四位
if(IRCOM[4] > 9) //转换成字符
{
IRCOM[4] = IRCOM[4] + 0x37;
}
else
IRCOM[4] = IRCOM[4] + 0x30;
if(IRCOM[5] > 9)
{
IRCOM[5] = IRCOM[5] + 0x37;
}
else
IRCOM[5] = IRCOM[5] + 0x30;
delay(5);
write_com(0x80 + 0x40 + 5);
write_date(IRCOM[5]);
write_date(IRCOM[4]);
EX0 = 1; //重新开启外部中断
}
参考资料来源 吴鉴鹰吧

Answer 3

自己到网上搜下啊，这么普遍的东西。随便找一个都能用。